狼生成的时间间隔到30ms

Assets/BowArrow/Scenes/GameChallengeScene/WolfHuntGameMode.cs

@@ -97,7 +97,7 @@ public class WolfHuntGameMode : ChallengeGameMode
         if (!gameMgr.gameOver && canStartCreateAniaml) {
             createAnimalCountDown -= Time.deltaTime;
             if (createAnimalCountDown <= 0) {
-                createAnimalCountDown = 20;
+                createAnimalCountDown = 30;
                 CreateAnimal();
             }
         }